public void ArrayBsonValue()
{
var arrayA = new BsonArray(Enumerable.Range(1, 5));
var arrayB = new BsonArray(Enumerable.Range(1, 5));
Assert.IsFalse(BsonDiff.HasDifferences((BsonValue)arrayA, arrayB));
Assert.IsFalse(BsonDiff.HasDifferences((BsonValue)arrayB, arrayA));
}
public void ArrayHasMissingItems()
{
var arrayA = new BsonArray(Enumerable.Range(1, 5));
var arrayB = new BsonArray(Enumerable.Range(1, 2));
Assert.IsTrue(BsonDiff.HasDifferences(arrayA, arrayB));
Assert.IsTrue(BsonDiff.HasDifferences(arrayB, arrayA));
}
public void NullArray()
{
var arrayA = new BsonArray(Enumerable.Range(1, 5));
Assert.IsTrue(BsonDiff.HasDifferences(arrayA, null));
Assert.IsTrue(BsonDiff.HasDifferences(null, arrayA));
Assert.IsFalse(BsonDiff.HasDifferences((BsonArray)null, null));
}
public void MismatchedValueType()
{
var valueA = (BsonValue) new BsonDocument(new Dictionary <string, object>
{
{ "Age", 20 },
{ "Name", "Peter" },
{ "RegisteredDate", new DateTime(2017, 10, 1) },
{ "IsActive", true }
});
var valueB = BsonValue.Create(123);
Assert.IsTrue(BsonDiff.HasDifferences(valueA, valueB));
Assert.IsTrue(BsonDiff.HasDifferences(valueB, valueA));
}
public void NullValue()
{
var valueA = (BsonValue) new BsonDocument(new Dictionary <string, object>
{
{ "Age", 20 },
{ "Name", "Peter" },
{ "RegisteredDate", new DateTime(2017, 10, 1) },
{ "IsActive", true }
});
Assert.IsTrue(BsonDiff.HasDifferences(valueA, null));
Assert.IsTrue(BsonDiff.HasDifferences(null, valueA));
Assert.IsFalse(BsonDiff.HasDifferences((BsonValue)null, null));
}
public void DocumentHasDifferentBasicPropertyValue()
{
var documentA = new BsonDocument(new Dictionary <string, object>
{
{ "Age", 20 }
});
var documentB = new BsonDocument(new Dictionary <string, object>
{
{ "Age", 30 }
});
Assert.IsTrue(BsonDiff.HasDifferences(documentA, documentB));
Assert.IsTrue(BsonDiff.HasDifferences(documentB, documentA));
}
public void DocumentHasMissingProperties()
{
var documentA = new BsonDocument(new Dictionary <string, object>
{
{ "Age", 20 },
{ "Name", "Peter" }
});
var documentB = new BsonDocument(new Dictionary <string, object>
{
{ "Age", 20 }
});
Assert.IsTrue(BsonDiff.HasDifferences(documentA, documentB));
Assert.IsTrue(BsonDiff.HasDifferences(documentB, documentA));
}
public void DocumentHasSamePropertyCountButDifferentNames()
{
var documentA = new BsonDocument(new Dictionary <string, object>
{
{ "Age", 20 },
{ "Name", "Peter" }
});
var documentB = new BsonDocument(new Dictionary <string, object>
{
{ "YearsOld", 20 },
{ "Name", "Peter" }
});
Assert.IsTrue(BsonDiff.HasDifferences(documentA, documentB));
Assert.IsTrue(BsonDiff.HasDifferences(documentB, documentA));
}
/// <summary>
/// Performed prior to saving, this detect changes between the original and current state of entries, updating states where necessary.
/// </summary>
public void DetectChanges()
{
foreach (var typeGroup in EntryLookupByType.Values)
{
for (var i = typeGroup.Count - 1; i >= 0; i--)
{
var entry = typeGroup[i];
if (entry.State == EntityEntryState.NoChanges || entry.State == EntityEntryState.Updated)
{
if (BsonDiff.HasDifferences(entry.OriginalValues, entry.CurrentValues))
{
entry.State = EntityEntryState.Updated;
}
else
{
entry.State = EntityEntryState.NoChanges;
}
}
}
}
}
public void DocumentHasNoDifferences()
{
var documentA = new BsonDocument(new Dictionary <string, object>
{
{ "Age", 20 },
{ "Name", "Peter" },
{ "RegisteredDate", new DateTime(2017, 10, 1) },
{ "IsActive", true }
});
var documentB = new BsonDocument(new Dictionary <string, object>
{
{ "Age", 20 },
{ "Name", "Peter" },
{ "RegisteredDate", new DateTime(2017, 10, 1) },
{ "IsActive", true }
});
Assert.IsFalse(BsonDiff.HasDifferences(documentA, documentB));
Assert.IsFalse(BsonDiff.HasDifferences(documentB, documentA));
}
/// <summary>
/// Whether there are any changes between the original and current values of the entity.
/// </summary>
/// <returns></returns>
public static bool HasChanges <TEntity>(this DbEntityEntry <TEntity> entry)
{
return(BsonDiff.HasDifferences(entry.OriginalValues, entry.CurrentValues));
}